steve kalma



LI $.KALMA- TROLLEY.

APPLICATION FILED FEB. 28,1919.

- jl manned Lug. 5, 1919.

r orties,

srnvn trarne, or nnnnnoen, nennenswerte.

TRUJLLEY.

Specification el Letters Patent.

il ,Stdt

l application l :To all whom/touw concern."

which the following is y for its object lfl requires.

lle .it known that l, STEVE KALMA, a citi senior the United States, residingaat Brad-4 dock, in the county of Allegheny and State oi Pennsylvania, have invented certain new and 'useful improvements in 4'l`i;'olleys,` oi a speciiication.` A invention relates to trolleysV and has to provide a trolley with means,

This as hereina ttei'lset forth., for maintaining the trolley Wheels in contaotwitli *the-trolley;

Wire 4when running' in grooves or passing over obstructions.

A, further object of the invention is "to" provide a trolley for the purpose set ,forth having means, 1n a manner as hereinafter set :forth whereby the trolleycan lbe con veniently #removed from and. replaced against the trolley Wire when occasion so it further object'of the invention is to provide a trolley which is simple 1n its con! struction and arrangement, strong', durable," eiiieient and convenient 1n its lrise, rearlllyiA set np and .comparatively inexpensi'ife to l manufacture.

l View this invention consists` of the novel construction combination and arrangement y for the purpose Patented dan', wlw., y ined retrueryee, lele. semaine. starre. u

other, but do not abut, forming a 'passage'4 therebetween` and extend over the groove" 6.-

y Arranged Within the passage 6, area pair of 0angleshaped supporting members yl2, having their. longitudinal lese pivotally connected as at 13, with the body portion'l,

and their vertical legsy extendingA upwardly- 4 y 4 ends of the arms?, and formed' withl sockets-14.

between and above the, inner 'Springs l5, are connected tothe. arms ld'.V

in the 'groove 6.

' le, are inclined headed shafts 16, on which vWith the foregoing and other objects in"` of parte, as hereinafter more specifically d e y seribed and illustrated in the accompanying" drawings, 'wherein is shown an embodiment or the invention, but it is to be under.v4 stood that changes, variatlonsand modifications can be resorted to which come' within 'the scope ofthe claiinhereunto appended.

the drawings `wherein like reference characters V.denote correspondingl parte thronn'hout the several views:

v'in accordance with this invention.-

Fig. 2 is a top plan View.4

Fig. 3 is a sectional elevation with'ther apen o as lat 2, and

groove '6, seat 7 l ligure l a side elevation oin a trolley .bers '17,.1I1 position' only. employed for pulling fmexnbers' 12, open to release 5, from theretainingmember 17, but alsopurpose of loweringthe trolley/#when f desired. 4

are mounted retaining form oi flanged wheels.` the vertical legs of the supporting" members are vbeveled as at 18, to form'ineline members for retaining" members 17,

Springs, maintain the retainingl menr thereof will overlap the trolley wire 5,11nder such conditions retaining the trolley wheel d, infoontactwith the trolley wire 5.

vThe body'` porti'on'l,4 has a depending legA 19, to which'is-pivotallyconnected as at 20, a trolley pole 2li Attached to each of the supporting mem` pulling member 21a, 22,

bers-12, `is a dexible, which travels through an eye 23, kon the' body-'portion l,

the trolley pole 2l.

connected togetheras at 25, and are not for the lfclaim is:` 'A trolley comprising a body 'portion provided with a 'groove at its top and having a.. trolley'wheel mounted Vin each of. said biinrcated ends, spring controlled angle shaped supporting portion arranged in said groove and extend# members 17, in the` The npperendsof of maintaining them with?.` y. 'ecured within the sockets whereby 4the danges 'et also through an `eye 24C, on` The members 22, are

the supporting '4 the trolley wire 3 90 .each of its ends bifureated, spaced' arms- :overlapping said groove,`

ing 11p-between said arms, inclined and ,i

flangedretaining` members revolubly molintand adapted edon Said supporting members to overlap the trolley Wire to .maintain said l bers.

ln. testimony whereolE l ailinmy signature,

srnyn nari/ni l Wheels in contactwith the Wire and pulling' 'members connected to said supporting meid' y 10o' members pivotally connected'to said body 

